Why are farmers advised to water the crop field after chemical fertilisers are used?

Plants die due to reduced photosynthetic rate

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Plants die due to excess nitrates in soil

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Plants die due to plasmolysis

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Plants die due to enhanced diffusion rate

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Solution

The correct option is C
Plants die due to plasmolysis

Addition of fertilisers alters the pH of soil and makes it more concentrated. In order to dilute the effect, water has to be added to crop fields. Fertilisers have high amounts of different salts that can pull moisture away from the roots by osmosis. This results in plasmolysis of the root cells.

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In dessert plants, rate of water loss gets reduced due to the presence of __________.

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